To William Forsell Kirby 12 December [1862]
Summary
CD sends thanks for Manual of European butterflies [1862].
Is pleased that WFK does not believe in immutability of species, "a doctrine perfectly adapted to stop philosophical research", and hopes he will publish further.
Notes WFK’s name is the same as the entomologist’s.
Author: | Charles Robert Darwin |
Addressee: | William Forsell Kirby |
Date: | 12 Dec [1862] |
Classmark: | American Philosophical Society (Mss.B.D25.) |
Letter no: | DCP-LETT-3854 |
To William Forsell Kirby 9 July [1863]
Summary
CD is particularly struck by WFK’s observations on Corsican and N. American subspecies in his paper ["On the geographical distribution of European Rhopalocera", Trans. R. Entomol. Soc. Lond. 3d ser. 1 (1862–3): [!?bib has 1862–4] 481–92]. Thinks it would be interesting for WFK to examine specimens from the Shetland Islands, for even faint trace of differentiation.
Author: | Charles Robert Darwin |
Addressee: | William Forsell Kirby |
Date: | 9 July [1863] |
Classmark: | American Philosophical Society (Mss.B.D25.) |
Letter no: | DCP-LETT-4237 |
From W. F. Kirby 8 September [1863]
Summary
Describes some cases of geographical distribution of butterflies. Raises the perplexing question of the distribution of Pyrameis atalanta in Europe and P. calliroe in the Canaries.
Author: | William Forsell Kirby |
Addressee: | Charles Robert Darwin |
Date: | 8 Sept [1863] |
Classmark: | DAR 205.3 (Letters): 280 |
Letter no: | DCP-LETT-4297 |
letter | (3) |
Kirby, W. F. | (2) |
Darwin, C. R. | (1) |